Wake force computation in the time domain for long structures

Conference · Fri Jul 01 00:00:00 EDT 1983

OSTI ID:5753847

Bane, K; Weiland, T

One is often interested in calculating the wake potentials for short bunches in long structures using TBCI. For ultra-relativistic particles it is sufficient to solve for the fields only over a window containing the bunch and moving along with it. This technique reduces both the memory and the running time required by a factor that equals the ratio of the structure length to the window length. For example, for a bunch with sigma/sub z/ of one picosecond traversing a single SLAC cell this improvement factor is 15. It is thus possible to solve for the wakefields in very long structures: for a given problem, increasing the structure length will not change the memory required while only adding linearly to the CPU time needed.

• Research Organization: Stanford Linear Accelerator Center, CA (USA); Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany, F.R.)
• DOE Contract Number: AC03-76SF00515
• OSTI ID: 5753847
• Report Number(s): SLAC-PUB-3173; CONF-830822-30; ON: DE84000991
• Resource Relation: Conference: 12. international conference on high energy accelerators, Batavia, IL, USA, 11 Aug 1983
• Country of Publication: United States
• Language: English

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